US Bridges

Md 3 Bu over Sawmill Creek

Fair

Anne Arundel County, Maryland · 0.06 Mile North of Md 270 · Structure no. 100000020064030

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
54 ft
Daily traffic
17,610
2009 count
Owner
State
State Highway Agency

About this bridge

Md 3 Bu over Sawmill Creek is a steel culvert carrying Md 3 Bu over Sawmill Creek in Anne Arundel County, Maryland. It was built in 1980, so it is 45 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,610 vehicles a day, roughly 8% of them trucks, projected to reach 26,415 by 2029. The structure is 54 ft (16.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 3 Bu
CrossesSawmill Creek
Location0.06 Mile North of Md 270
RouteState Highway 3
Coordinates39.18313, -76.61442
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,610 (2009)
Projected traffic26,415 by 2029
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 3 Bu over Sawmill Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Md 3 Bu over Sawmill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Md 3 Bu over Sawmill Creek carry?

About 17,610 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 3 Bu over Sawmill Creek?

The structure is 54 ft (16.6 m) long with a longest span of 7 ft (2.1 m).

Who owns Md 3 Bu over Sawmill Creek?

It is owned by the State Highway Agency.